Block emails with empty envelope senders on Email Security.cloud

Products

• Email Security.cloud

Issue/Introduction

Emails that have an empty "envelope from" needs to be blocked.

Environment

Email Security.cloud

Resolution

There is currently no way to block messages where the envelop sender is blank. However, If you need to address impersonation messages/scams, the sender authentication would help. Also, for preventing domain-based email spoofing, the following document would be useful:

178783: Prevent domain-based email spoofing with Email Security.cloud